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faltersainse [42]
3 years ago
9

Reread the introduction section of this activity. Write a brief conclusion for this activity

Physics
2 answers:
Vera_Pavlovna [14]3 years ago
6 0
You want to write a short summary of the activity listing the main idea and steps you took in the activity
ki77a [65]3 years ago
4 0

Answer:

can you write proper

Explanation:

I don't understand

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A gold wire has a cross-sectional area of 1.0 cm^2 and a resistivity of 2.8 × 10^-8 Ω ∙ m at 20°C. How long would it have to be
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Answer:

Length, l = 3.57 meters

Explanation:

It is given that,

Area of cross-section of gold wire, A=1\ cm^2=0.0001\ m^2

Resistivity of gold wire, \rho=2.8\times 10^{-8}\ \Omega-m

Resistance, R = 0.001 ohms

Resistance in terms of length and area is given by :

R=\rho \dfrac{l}{A}

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l = 3.57 meters

So, the length of the wire is 3.57 meters. Hence, this is the required solution.

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